eclipse: cairo-misc.c:380: _cairo_operator_bounded_by_source: Assertion map->l_init_called' failed! - eclipse: cairo-misc.c:380: _cairo_operator_bounded_by_source: Assertion map->l_init_called' failed! Description In the Quartus® II software version 14.1 for Linux, you may see the fatal error shown below and this error message when you are running on Ubuntu 14.04 or other unsupported Linux distributions. *** Fatal Error: Segment Violation at 0x7f17cf07fe80 Module: quartus Stack Trace: 0x214ed: addbyter 0xd (curl.so.4) 0x21829: dprintf_formatf 0x159 (curl.so.4) 0x22a45: curl_mvsnprintf 0x25 (curl.so.4) 0x125be: Curl_failf 0x9e (curl.so.4) 0x910f: Curl_resolv_timeout 0x12f (curl.so.4) 0x415d: clock_gettime 0x1d (rt.so.1) End-trace The error occurs because the Curl libary is not thread-safe. Resolution To fix this problem, download and install Patch 0.19 for the Quartus II software version 14.1 from the link below. Download the version 14.1 patch 0.19 for Linux (.run) Download the Readme for the Quartus II software version 14.1 patch 0.19 (.txt) This problem has been fixed beginning with version 15.0 of the Quartus II software. Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['FPGA Dev Tools Quartus II Software'] 15.0 14.1 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']